1F44	Hydrolase, Ligase Dna	date	Jun 07, 2000
title	Crystal Structure Of Trimeric Cre Recombinase-Lox Complex
authors	E.P.Baldwin, K.C.Woods
compound		source
Molecule: Dna (5'- D(Tpaptpapapcptptpcpgptpaptpapgpc)-3'); Chain: M Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'- D(Aptpaptpgpcptpaptpapcpgpapapgptptpapt) Chain: N Engineered: Yes		Synthetic: Yes
Molecule: Cre Recombinase Chain: A Synonym: Recombinase - Phage P1 Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage P1 Organism_taxid: 10678 Gene: Cre Recombinase Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: I 2 3	R_factor 0.176 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 160.653 160.653 160.653 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.05 Å
related structures	by homologous chain: 1XO0, 4CRX
Gene Ontology	Chain Function Process Component A
Primary reference	Quasi-equivalence in site-specific recombinase structure and function: crystal structure and activity of trimeric Cre recombinase bound to a three-way Lox DNA junction., Woods KC, Martin SS, Chu VC, Baldwin EP, J Mol Biol 2001 Oct 12;313(1):49-69. PMID:11601846

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1f44.pdb1.gz) 207 Kb CSU: Contacts of Structural Units for 1F44 Likely Quarternary Molecular Structure file(s) for 1F44 Structure Factors (346 Kb) Retrieve 1F44 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1F44 from S2C, [Save to disk] Re-refined 1f44 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1F44 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1F44

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1F44, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1f44a2, region A:130-343 [Jmol] [rasmolscript] [script source]     - Domain d1f44a1, region A:20-129 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1f44_A] [1f44_M] [1f44_N] [1f44] SWISS-PROT database: [P06956] Domain organization of [RECR_BPP1] by SWISSPFAM

Other resources with information on 1F44

Community annotation for 1F44 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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